Re: Stock boost

Johann said:
>I bought an 87 5KTQ about two months ago and have been loving it. I bought
>it while summer was still with us. At that time the boost read 1.2 at max
>accel. This past week's cold spell affected performance a little at low
>RPM's, but the max boost would only reach 1.0. Today at about 60 degrees F
>it read 1.1 max. Is this normal to outside temps or is it indicative of
some
>problem? I know the dash indicator for boost is not perfect, but would
think
>it would at least read consistently.
>
I have had an 86 5ktqw for a few years now and have noticed similar
fluctuations. In my case a stock MC turbo engine, has readings of up to 1.4
in the Summer months but rarely over 1.2 in the Winter. However, I always
attributed it to the ambient pressure not the temperature. Any takers?
Lino
86 5ktqw